99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

單項(xiàng)選擇題

What will be the end result of this set of RMAN commands?()  
shutdown abort startup mount 
restore datafile 4 until time ,,09/30/2008:15:00:00; 
recover datafile 4 until time ,,09/29/2008:15:00:00; 
alter database open resetlogs;

A. Datafile 4 will be recovered until 9/30/2008 at 15:00 and the database will open.
B. The restore command will fail.
C. The recover command will fail.
D. The alter database open resetlogs command will fail.
E. All these commands will fail because they must be in the confines of a run block.


微信掃碼免費(fèi)搜題